Method and apparatus for making laminated strips



April 24, 192s. 1,667,009

G. L. MATTHIAS METHOD AND APPARATUS FOR MAKING LAMIATED STRIPS A, l

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1,667,009' G, L. MATTHIAS l METHOD AND APPARATUS FOR MAKING LAMINATED STRIPS Filed Feb. 16. 1924 f Sheets-Sum 2 Patented Am.- 24, '1928. i 1,667,009 l "UNiTE-'D A sTvA'r-Es PATENT, oFFIcE.

GILBERT I..l MATTHIAS-,or vcm'rAHoeA FALLS, omo. AssI'GNon 'roA THE -Bj r. eoo'nmcn coNrANY, oFiNnw roux, N. Y., A conPoBA'rIoN or NEW Yom;

Nn'rHon :AND ArrARA'ros ron, MAKLNGQLAMINATED s'rmrs.

` ,Appncafia inea February 1e, i924." serial No. ceases. u This invention relates tothe art of makingfshown'uin 8, Each of Said Strips 'or 55 laminated strips, and more'partlcularly -lamcovering units comprises a relatively wide inated stripsofadhesive, rubberized fabric, strip of .bias-cut, rubberized fabric 10, a or of fabricy and rubber, and is of especial relatively. narrow strip 11 of the .same maadvantage in formingv strips wherein the 'ter-ialand same length, `adhesively superends of the plies are imbricated r'longitudiposed'thereon', said strips having their re- 00 nally offset. My invention is particularly: spectlve ends `obliquely cut and longitudiapplicable to the manufacture of pliedstrips 4nally-offset from each other, and a pluralil such as are used in the manufacture of pneu; ty of fthin', narrow strips .of unvulcanized matic tires, as bead-coveringstrips, for err-1 rubber 12, 12 longitudinally disposed upon ample," the offset condition of the end porand adhering to the reverse side of the wide 05. tions-of the plies making it possible to splice fabric strip 10. Athe same. either before or latfthe time of the yI n-thepreferred manufacture o f the lamiincorporation of the strip inthe tire, without Dated umts, the component elements, which 15 splices of successive plies coming at the .samev are brought to the machine in continuous L `point on the circumference of the tire. x lengths, are progressively fed, longitudinal70.l The chief object of my invention is to prol`y, 1nto face to face contact, and severed at videan improved method and improved -a-pproper intervals as they'are vsofed, to pro-l paratus for the manufacture of la1ninated, duce thefinished units as described, the

imbricated strips, whereby labor may re- 'Strips 12 preferably being first applied to of Fig. 1.

lduced and time saved. A further Objectis' the reverse ,side of the strip 10, before the 76` to produce strips of" uniform and accurate latter 1s severed into units. In this method construction, and more particularly strips of manufacture, the offset portion of a ply in which the ends of the plies are longitu' iat the trailing end of'one laminated unit will 25 nally offset as described. Another object'fis underlie the offset; portion of' a ply consticonveniently to provide for accurately varyf -tuting the leading end of the succeeding .ing the relation of the plies in the vstrip as unit, as the. successive units are formed, the between successive runs of the apparatus., Q adhesive units thus adhering-together and Of the accompanying drawings; 'constituting, in effect, a continuous laminatau Fig. -1 is a frontv elevation'of .apparatus Ved strip "as-they'ernerge from the machine.

embodying and adapted to carry out my in- Such `continuous lstrip of adhering units, 8'5 vention, infl its preferred form, and the work vdesignated 210, may be either continuously therein, A Wound with a liner into a roll, or the units Fig. 2 is a sectional plan view on line 2-2 may be separated` asthey 'emerge from the machine and'stored between liners in suit- Fig. 3 is a view, represented by the line Aable books. l 3 3, and the accompanying arrows, of Fig. The apparatus Yhere shown Afor carrying 1. of ay 'workguiding device Aconstituting a out..my' methodcomprises a frame 13 suppart of said'apparatus. orting av vert-ical plate .1 4 having secured to 4u Fig. 4 is a sectional view on line o'fltsvrear facebearing brackets 15, 16 (Fig.

Figi.l 1.

Fig. 5 is a rear elevation on a largerscale perposed roll shafts 17, 18,19, 2f), extending `of. part of the apparatus shown in Fig. 1. 'through said`.plate and geared together at Fig. 6 isafragmentary section -on` line the rear of the latter by gears 21, 22, 23, 24, 45 '6-6 of Fig. 1.

- Y Y' said,'shafts` having secured thereon at the Fig. 7 is a fragmentary,)sectional plan lront hside of the plate lrespective pairs of 10o Vew on line 7-7 of Fig. 5. j -cu'ttln 150115,25,- 26, 27, 28of equal effective "'of a part of size, t e lower roll 'of each' pair being a Fig. 8 is a perspect1veev1ew the work in its' finished form. platen roll, and the two lower or platen rolls 50 Referring 'to ,the drawings, the embodibeingsopositioned adjacent each other as to ment of my invention here" shown is adapted constitute .a pair of presser rolls for strip l for manufacture of a particular type `of, material passing downward vbetween them. bead-covering striporunit, the joined end The" upp er roll of each pair, 25 vor 27, is

portions of two such units, being clearly provided with anobliquely disposed cutter,

5) for two horizontally aligned pairs of su- 95 rubber strips 12, a

For supplying the stock roll 63 is journaled upon a bracket means comprises a U-shaped bracket 14, said cradle rolls being adapted to supfrom the plate 14 and driven, means are `provided for and feeding them to the platen roll 26 lso as toavoid excessive tensioning and stretching of said strips. vSaid liner-rewinding pair of driven cradle rolls 64, 64 (Fig. 1)

64'al secured to the plate por-t and peripherally drive a liner roll 65,

the latter being loosely journaled in thev forked free ends of avpair of arms', oneof which is shown at 66, pivoted at 66a onthe lpla-te 14, and adapted to keep the liner roll in position notwithstanding increase in the amount of liner thereon.

For assuring lseparation 'of the strips 12 and their liner, 67, as they pass from vthe stock roll 63, liner-guiding rolls 68, 69, are journaled upon brackets projecting from the plate' 14 and are so positioned, -as' shown clearly in Fig., 1, that the liner, being carried tirst under the roller168 and then over the'roller 69, is drawn from the stock roll at a different tangent from that of the strips 12, the latter passing directly from the stock roll onto the liner at the roller 69 and from there being carried by the liner, without substantial adhesion thereto, over a guide roll 7 70 projectingfrom the plate 14, and delivloop 71 Whilethe liner,

ered into a storage 67, passes about between the arms66, nea-r their middle, and

- fabric strip 10,

mally Aat the same peripheral ber stripsA 12 on occasion,

speed. Said means,

f y' atesize to onto the liner-rewinding roll 65.

In order that the rubber strips 12 may normally be fed into the storage loop 71 at approximately the same speed as that of the butimay be fed at a faster speed to replenis'hl'said loop in case it is shortened by shrinkage of the strips 12 as they 'emerge from the stock roll, means are 'provided fon driving the cradle rolls 64 norspced asthat of the strip 10 and on occasion at a faster v'details of 'which are shown in Fig: 7, comprises a pair of sprockets, 73, 74, formedivi'tli entch-hubs, loosely dle rolls, and adapted 'to be drivena'tdifferent speeds by respective sprocket chains 76, 77, the chain 76 running from a sprocket 78 (Fig. 5) on'a counter-shaft 79 journaled in the plate 14 and havingdriving connection, through a. sprocket chain 80 with the shaft 18, the sprocket 78 being of appropri- 'drive the cradle rolls at normal speed, while the chain 77 runs from a larger sprocket 81 on said counter-shaft, of'appropriate size to speed up the feed of the rubn respective clutches 83 being slidably keyed upon the shaft and adapted to coact, selectively with the journaled on a doublea guide vroller 72 journaled said guides and threaded'- t be individually p osi" viournaled on thje shaft 7 5";of one lof the crain continuous clutch hubs of the sprockets 73, 74, for effecting driving connection between one'or the other. of -saidj sprocketsand the. cradle rolls, a shipper lmechanism 84, -common t0 said clutches, being slid-ably mounted upon the bracket 64 `for holding either of saidv clutches engaged while` the other is disengaged. The cradle rolls 64 are geared together at the' vrear vof the journal bracket,

t-hrough an idler gear 85, so that both ivill .be positively driven,

by rotation of vlongitudinally thereof by a, studbolt 90 pro- -jectng from said slide through a slot 91A 1n said bracket and 92 below the latter, the guiding device thu-.s being adapted to be positioned close to the platen roll 26 for operation and tofbe withdrawn therefrom for adjustment'or for insertion of the work. on its upper face with a guide-rib93,

lrubber strips 12, are adjustably secured'to the laterally* adjustable slide by screws 100, mounted in transverse slots 101, 101 in into said slide, so' that said guides may ti'oned for strips of different widths or for varying the'spacing of the strips, While the position of the strips 12 may be varied with relation to the wide fabric strip 10, Without varying their spacing, by adjustment of the slide 94. Anti-friction rollers 102, 103,

adapted to contact the lower and the upperfaces respectively of the rubber strips 12.

are-journaled between brackets 104, 104 pro'- jecting from the receiving end of the slide 94. i

provided with a Wing-nut- The slide 89 is formed disvposed transverselyof the \vork, upon whichv aov 10o' by a stud'- l lll) For supplying the lnarrow fabric strip 11 Y form to the platen roll 28, a stock roll 105 (Fig. 1) is journaled on a turret structure 106 correspondlng to that demoxf'ement of the Work past said severing positions as to cause the cuts of the strips to mis-match as the cut strips are brought together, compacting and further feeding the united strips by rolling pressure Whereby the imbricated end portions'of successive units are pressed against each other in overlapped cutters geared so out of step With each other as to he adapted for substantially severing 'said strips at such determinate intervals, as they are so ted, as to cause them to unite in a continuous strip composed of laminated,

longitudinally iinhricated units overlappedand adhering to each other at their ends.

7. Apparatus for mahing laminated units of adhesive sheet material, said apparatus comprising a pair of rolls for :eeding'a plurality of continuous strips of said material progressively into Contact With each other and uniting them by rolling pressure, cutters geared so out of step with each other as to be adapted for substantially severing said strips at such determinate intervals, as they are so fed, as to cause them to unite in a continuous strip composed of laminated, longitudinally imbricated units overlapped and adhering to each other Aat their ends, and means for reeling the continuous composite strip as it is formed 8. Apparatus for making laminated units of adhesive sheet material, said apparatuscomprising a pair of coacting presser rolls adapted to serve also a's platen rolls, and a rotary cutter for each said roll vadapted to cut tliereagainst, the said cutters being geared so out of step with each other asto .act,upon respective strips assing about the presser rolls to the nip ot the latter, at

cutters `material and progressively press them tosuch longitudinal positions on the strips as to cause the cut terminus of one of the strips to reach the said nip before that ot the other strip.

9. Apparatus for making laminated, longitudinally imbricated units of adhesive sheet material, said apparatus comprisinga pair of presser rolls, means for guiding re spectivc strips of said material onto the pe# riplieries ot said rolls, respective means for substantially severing said strips at determinate intervals as said strips pass on said rolls to the nip ot the latter, and respective rollers adapted'to press said strips against each of'said rolls betweenthe position of initial contact4 ot the strip therewith and theV cutting position.

l0. I n apparatus for making laminated strips, the combination of a pair of rotary cutters adapted to out respective strips of material at determinate intervals and press the cut strips together, respective means for feeding said strips to said cutters at deter- `ininate speeds, and means for varying the speed of one of said feeding means.

Y ll. -In apparatus :t'or making laminated strips, the combination of a pair Aof rotary .adapted to cut a plurality of strips of getlier, means for supplying said strips to said cutters, and adjustable guides anterior ,to said cutters-for positioning the strips with relation to each other as ,they pass to said cutters. Y

12. In apparatus for making'laminated strips, the combination of a pair of juxtaposed rotary cutters adapted substantially to sever and to press together a plurality of strips of material, t-he cutting members of said rotary cutters being so disposed and geared out of step With each other as to cause the lines of cut of the respective strips to be longitudinally offset, and obliquely disposed, in parallel relation to ,each other. y

In witness whereof I have hereunto set my hand this 5th day ot February, 1924.

' GILBERT L. MATTHLAS. 

